Muse Spark 1.3 API pricing per million tokens
Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output, with a 1.05M context window.
AIGROW credit covers Claude Opus 5.5, Claude Fable 5.2, Claude Fable 5.1, GPT-6 Astra, Claude Sonnet 5.5, GPT-6.1 Sol, GPT-6.1 Terra, Grok 4.7 and Gemini 4 Argon. See API credit
$25 a month brings $110 of API credit and cancels any time; $25 once buys $100. US dollars per million tokens, standard rate, shortest context band. Number 26 of 256 on the Epoch Capabilities Index by Epoch AI, data of 12 November 2026. CC BY 4.0
- 1,000 support replies
- $5.45
- Cached input
- $0.15
- Context window
- 1,048,576 tokens
- Released
- Not published
- Weights
- Closed weights
From Meta’s own pages, 12 November 2026.
Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens on Meta’s own API, and $0.15 for cached input. At those prices 1,000 support replies cost $5.45, the 25th most expensive of 49 priced models on our list.
AIGROW API credit per million input / output tokens: Claude Opus 5.5 $1.60 / $8.00, Claude Fable 5.2 $3.20 / $16.00, Claude Fable 5.1 $4.00 / $20.00, GPT-6 Astra $2.50 / $12.50, Claude Sonnet 5.5 $0.80 / $4.00, GPT-6.1 Sol $0.50 / $2.50, GPT-6.1 Terra $0.25 / $1.25, Grok 4.7 $0.50 / $1.50 and Gemini 4 Argon $1.00 / $5.00. That is up to 75% below list price. See API credit
What a job costs
Three jobs, 1,000 runs of each, at the list price above, and where each puts Muse Spark 1.3 among the 49 models with a list price.
| Job | 1,000 runs | Among 49 |
|---|---|---|
| Support reply3,000 in, 400 out. | $5.45 | 25th most expensive |
| Document summary25,000 in, 1,000 out. | $35.50 | 25th most expensive |
| Agent task80,000 in (70,000 cached), 3,000 out. | $35.75 | 24th cheapest |
The token counts are ours, chosen to look like real work; the prices are Meta’s. All three jobs stay under 100,000 tokens a request, below every long-context surcharge on the list.
The small print
What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.
Standard tier; no long-context premium. A Contributor tier (Meta may train on your data) costs $0.10 / $0.20, cached $0.002. Web search grounding $2.50 per 1,000 queries. Release date not stated on the official pages.
Muse Spark 1.3 against the models it is weighed with
Each comparison puts both list prices side by side and costs the same three jobs on each.
- vs Muse Wonder
- Meta's most capable model against the Muse Spark it recommends for everyday work, at three to five times the price.
- vs GPT-5.6 Sol
- Meta's everyday hosted model against OpenAI's GPT-5.6 flagship at roughly a quarter of the price.
- vs Grok 4.7
- Two newer frontier entrants with low list prices, compared for general business work.
- vs Muse Ember
- Meta pairs the two in one agent, Spark to plan and Ember for the volume, with Ember at less than a twelfth of the Spark input price.
Other Meta models
| Model | Input | Output | Context | 1,000 replies |
|---|---|---|---|---|
| Muse EmberMeta | $0.10 | $0.50 | 1.05M | $0.50 |
| Muse WonderMeta | $4.00 | $20.00 | 1.05M | $20.00 |
Where the price comes from
Read on 12 November 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.
Compare Muse Spark 1.3 with 53 other models
The price list sets every model’s input and output price side by side, with what a support reply, a document summary and an agent task cost on each.
Prices checked 12 November 2026 · See them by release date